Home / 760,511.28-1,141,888.32-424,209

Finding the Fourth Proportional to 760,511.28, 1,141,888.32 and 424,209

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Solution

The fourth proportional to 760,511.28, 1,141,888.32 and 424,209 is: 636,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,511.28 : 1,141,888.32 = 424,209 : x
  2. Step 2: Convert to fraction form
    760,511.28/1,141,888.32 = 424,209/x
  3. Step 3: Cross multiply
    760,511.28x = 1,141,888.32 × 424,209
  4. Step 4: Simplify right side
    760,511.28x = 484,399,302,338.88
  5. Step 5: Solve for x
    x = 484,399,302,338.88/760,511.28
  6. Step 6: Final answer
    x = 636,939.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.